/****************************************************************************
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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****************************************************************************/

#ifndef FILEWATCHER_KQUEUE_P_H
#define FILEWATCHER_KQUEUE_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "qfilesystemwatcher_p.h"

#include <QtCore/qhash.h>
#include <QtCore/qmutex.h>
#include <QtCore/qthread.h>
#include <QtCore/qvector.h>

#ifndef QT_NO_FILESYSTEMWATCHER
struct kevent;

QT_BEGIN_NAMESPACE

class QKqueueFileSystemWatcherEngine : public QFileSystemWatcherEngine
{
    Q_OBJECT
public:
    ~QKqueueFileSystemWatcherEngine();

    static QKqueueFileSystemWatcherEngine *create();

    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);

    void stop();

private:
    QKqueueFileSystemWatcherEngine(int kqfd);

    void run();

    int kqfd;
    int kqpipe[2];

    QMutex mutex;
    QHash<QString, int> pathToID;
    QHash<int, QString> idToPath;
};

QT_END_NAMESPACE

#endif //QT_NO_FILESYSTEMWATCHER
#endif // FILEWATCHER_KQUEUE_P_H
